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$41+ Cheap flights from Knoxville to Jacksonville (TYS - JAX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — JAX
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
1 adult, Economy
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Cheap flight deals from Knoxville to Jacksonville

Cheapest flights from Knoxville to Jacksonville
Explore the most affordable flight options available from Knoxville to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:37 pm
TYS
-
JAX
Nonstop1h 22m
Allegiant Air
Thu 4/168:34 pm
JAX
-
TYS
Nonstop1h 23m
Allegiant Air
Deal found 3/18$63
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:37 pm
TYS
-
JAX
Nonstop1h 22m
Allegiant Air
Sun 4/198:34 pm
JAX
-
TYS
Nonstop1h 23m
Allegiant Air
Deal found 3/16$68
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:20 am
TYS
-
JAX
Nonstop1h 20m
Allegiant Air
Thu 4/98:34 pm
JAX
-
TYS
Nonstop1h 23m
Allegiant Air
Deal found 3/17$75
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/22:16 pm
TYS
-
JAX
Nonstop1h 20m
Allegiant Air
Thu 4/98:34 pm
JAX
-
TYS
Nonstop1h 23m
Allegiant Air
Deal found 3/17$95
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/22:16 pm
TYS
-
JAX
Nonstop1h 20m
Allegiant Air
Thu 4/210:16 pm
JAX
-
TYS
Nonstop1h 23m
Allegiant Air
Deal found 3/17$100
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:05 am
TYS
-
JAX
Nonstop1h 22m
Allegiant Air
Thu 3/267:12 pm
JAX
-
TYS
Nonstop1h 26m
Allegiant Air
Deal found 3/17$104
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:05 am
TYS
-
JAX
Nonstop1h 22m
Allegiant Air
Sun 3/297:12 pm
JAX
-
TYS
Nonstop1h 26m
Allegiant Air
Deal found 3/17$114
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:20 am
TYS
-
JAX
Nonstop1h 20m
Allegiant Air
Sun 4/54:20 pm
JAX
-
TYS
Nonstop1h 23m
Allegiant Air
Deal found 3/17$122
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2911:05 am
TYS
-
JAX
Nonstop1h 22m
Allegiant Air
Sun 3/297:12 pm
JAX
-
TYS
Nonstop1h 26m
Allegiant Air
Deal found 3/17$132

Find flight deals from Knoxville to Jacksonville

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Jacksonville (JAX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$63
(Kiwi.com)

One-way from

$41
(Kiwi.com)

Popular in

March

Cheapest in

June

Average price

$404

Good round-trip deal

$84 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Jacksonville flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Jacksonville flights.
Search Deals
From Knoxville McGhee Tyson to Jacksonville
Search Deals
One-way flight from Knoxville McGhee Tyson to Jacksonville
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Knoxville McGhee Tyson to Jacksonville.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Jacksonville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 20, 2026.
Use the filters below to find and compare flights from Knoxville to Jacksonville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sun 5/3

12:37 pm-1:59 pm

Nonstop1h 22m

Jacksonville

Thu 5/7

8:57 pm-10:20 pm

Nonstop1h 23m

$137

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Tue 5/26

5:50 pm-9:30 pm

1 stop3h 40m

Jacksonville

Tue 6/2

6:30 am-12:00 pm

1 stop5h 30m

$249

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Wed 6/3

8:15 am-1:40 pm

1 stop5h 25m

Jacksonville

Wed 6/10

6:45 am-5:00 pm

2 stops10h 15m

$282

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Wed 4/22

5:50 pm-9:30 pm

1 stop3h 40m

Jacksonville

Sat 4/25

8:40 am-6:30 pm

2 stops9h 50m

$288

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 4/24

6:35 am-4:20 pm

2 stops9h 45m

Jacksonville

Mon 4/27

6:05 am-11:40 am

1 stop5h 35m

$293

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sat 4/18

6:40 am-2:10 pm

2 stops7h 30m

Jacksonville

Sat 4/25

8:40 am-6:30 pm

2 stops9h 50m

$293

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 5/1

8:05 am-1:50 pm

1 stop5h 45m

Jacksonville

Mon 5/4

5:35 am-2:10 pm

2 stops8h 35m

$323

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 6/11

7:30 am-1:35 pm

1 stop6h 05m

Jacksonville

Sun 6/14

6:30 am-12:05 pm

1 stop5h 35m

$338
Cheapest one-way

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Mon 5/4

6:35 am-10:05 am

1 stop3h 30m

$150

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 4/24

6:35 am-4:20 pm

2 stops9h 45m

$155

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Knoxville to Jacksonville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Jacksonville in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Jacksonville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Jacksonville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Jacksonville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Jacksonville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Jacksonville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Jacksonville

Have a flexible travel schedule? Discover the best time to fly to Jacksonville from Knoxville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Jacksonville

What is the cheapest month to book a flight from Knoxville to Jacksonville?

Currently, September is the cheapest month in which you can book a flight from Knoxville to Jacksonville (average of $74). Flying from Knoxville to Jacksonville in December is currently the most expensive (average of $100). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TYS to JAX?

Find hourly flight availability from Knoxville to Jacksonville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 20, 2026.

A simple way to save on the total cost of your ticket is to fly from Knoxville to Jacksonville in the morning. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Jacksonville

Get insights into the airlines that provide service to Jacksonville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Jacksonville. Reviews last updated March 20, 2026.
Peruse reviews from past customers who have flown with Delta,Allegiant Air, andAmerican Airlines from Knoxville to Jacksonville to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,303 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,303 reviews
Delta
7.9
Good
8,303 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Allegiant Air
7.3
Good
713 reviews
Delta
7.9
Good
8,303 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
American Airlines
7.1
Good
11,482 reviews
Delta
7.9
Good
8,303 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Jacksonville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Knoxville to Jacksonville flight route?

    This flight path from Knoxville McGhee Tyson to Jacksonville was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Knoxville to Jacksonville?

    There are many flights that can get you from Knoxville to Jacksonville in 1h 22m. Fly via Allegiant Air or Southwest to get the fastest option. Knoxville and Jacksonville are separated by a distance of 390 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Knoxville to Jacksonville round-trip?

    According to our current data, Allegiant Air ($76), Delta ($212), and American Airlines ($282) offers the cheapest pricing from Knoxville to Jacksonville. Allegiant Air is currently priced 61% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Knoxville to Jacksonville one-way?

    One-way options have recently been found by users for as low as $35 on Allegiant Air. Other airlines that offer cheap prices include American Airlines from $130 and Delta from $130 one-way.

  • What are the cheapest flights from Knoxville to Jacksonville?

    While on average a flight from Knoxville to Jacksonville is generally $90, our data shows the cheapest flight currently is $66. When looking at the most popular route, (Knoxville McGhee Tyson - Jacksonville), you can expect to pay $137 for that flight.

  • Can I find deals for flights from Knoxville to Jacksonville that include hotel bookings?

    Yes. In addition to deals on Knoxville to Jacksonville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Jacksonville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Jacksonville.

  • Can I find deals for business class flights from Knoxville to Jacksonville?

    Yes. Cheapflights offers flight deals from Knoxville to Jacksonville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Knoxville to Jacksonville?

    Currently, September is the cheapest month in which you can book a flight from Knoxville to Jacksonville (average of $74). Flying from Knoxville to Jacksonville in December is currently the most expensive (average of $100). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
Jacksonville Beach
Orange Park
Fernandina Beach
Kingsland
Waycross
Yulee

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Top 3 airlines flying from Knoxville to Jacksonville

Discover the top 3 airlines that operate flights from Knoxville to Jacksonville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$76Average$94FlexibilityNo cancel feeOn-time88%
DeltaCheapest$212Average$357FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$282Average$328FlexibilityNo cancel feeOn-time71%

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